There is no tower in Pewter City. Pewter City only contains one spot of interest, which is the Museum. There is no tower in existence there.
from a blue old guy in pewter city
It's an item you find in Pewter City. Once you get it, you can go to the top of Tin Tower, and a Lv. 70 Ho Oh will be there.
in pewter city there is an old man who will give the rainbow wing in silver and silver wing in gold, once you get this you can go find ho-oh in the tower and lugia in whirl islands
a man in pewter city gives it to you
After the Pokemon League at Bell Tower in Ecruteak City. You must also obtain the item from an old guy in Pewter City. Just talk to everyone there until you find the right one.
You find him at the Pewter city meuseam.
you go to pewter city and find the old man on a hill and he will give you the silver wing
burned tower
The Embedded Tower.
Pewter City Gym. Same as always.
After you move Snorlax and take the Diglet tunnel to Pewter, you can head east from Pewter to Mt. Moon where you will find wild Clefairy.
After getting the Rainbow Wing in Pewter City , you'll find it at the top of the Tin Tower in Ecruteak City.